1. Resource Hints: Lazyload

    Gives a hint to the browser to lower the loading priority of a resource. Please note that this is a legacy attribute, see the [`loading`](/loading-lazy-attr) attribute for the new standardized API.

  2. Lazy loading via attribute for images & iframes

    The `loading` attribute on images & iframes gives authors control over when the browser should start loading the resource.

  3. Lazy loading via attribute for video & audio

    The `loading` attribute on video & audio elements gives authors control over when the browser should start loading the media resource, allowing deferred loading until the element is near the viewport.